Method of manufacturing a gas barrier plastic container
AssigneeKirin Beer Kabushiki Kaisha
InventorsAkio Mishima, Masaki Nakaya, Akira Shirakura
Life of this patent
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Abstract
Methods of manufacturing a gas barrier plastic container include a method in which the inside of a vacuum chamber which houses a plastic container is exhausted to form a pre-set pressure, and while maintaining a state where electricity is supplied to a thermal catalyst arranged inside the vacuum chamber to generate heat above a pre-set temperature, a source gas is blown on the thermal catalyst to decompose the source gas and create chemical species, whereby a gas barrier thin film is formed by the chemical species reaching at least one of either the inner surface or the outer surface of the plastic container.
Claims4
A method of manufacturing a gas barrier plastic container, comprising:
- a process in which the inside of a vacuum chamber which houses a plastic container is exhausted to form a pre-set pressure;
- and
- a process in which while maintaining a state where electricity is supplied to a thermal catalyst arranged inside said vacuum chamber to generate heat above a pre-set temperature, a source gas is blown on said thermal catalyst to decompose said source gas and create chemical species, whereby a gas barrier thin film is formed by said chemical species reaching at least one of either the inner surface or the outer surface of said plastic container,
- wherein the blowing of said source gas is begun after the temperature rise of said thermal catalyst above the pre-set temperature is completed.
A method of manufacturing a gas barrier plastic container, comprising:
- a process in which after at least one of the spaces inside or outside a plastic container housed in a reaction chamber is filled with a source gas under a pre-set pressure, the supply of said source gas is stopped to stop the flowing in and out of gas in said reaction chamber;
- and
- a process in which while maintaining a state where electricity is supplied to a thermal catalyst to generate heat above a pre-set temperature, said thermal catalyst is guided into the space filled with said source gas to decompose said source gas and create chemical species, whereby a gas barrier thin film is formed by said chemical species reaching at least one of either the inner surface or the outer surface of said plastic container;
- wherein the thermal catalyst is located inside or outside the plastic container, and
- when the thermal catalyst is inside the plastic container, the thermal catalyst is connected to a source gas supply pipe.
Dependencies are inferred from the claim text.